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<title>class DEBUGGER__::Console - debug: Ruby Standard Library Documentation</title>


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  <h3>Included Modules</h3>

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    <li><a class="include" href="Color.html">DEBUGGER__::Color</a>
  </ul>
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<!-- Method Quickref -->
<div id="method-list-section" class="nav-section">
  <h3>Methods</h3>

  <ul class="link-list" role="directory">
    <li ><a href="#method-c-new">::new</a>
    <li ><a href="#method-i-deactivate">#deactivate</a>
    <li ><a href="#method-i-get_command">#get_command</a>
    <li ><a href="#method-i-history">#history</a>
    <li ><a href="#method-i-history_file">#history_file</a>
    <li ><a href="#method-i-load_history">#load_history</a>
    <li ><a href="#method-i-load_history_if_not_loaded">#load_history_if_not_loaded</a>
    <li ><a href="#method-i-parse_input">#parse_input</a>
    <li ><a href="#method-i-read_history_file">#read_history_file</a>
    <li ><a href="#method-i-readline">#readline</a>
    <li ><a href="#method-i-readline_setup">#readline_setup</a>
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    <main role="main" aria-labelledby="class-DEBUGGER__::Console">
    <h1 id="class-DEBUGGER__::Console" class="class">
      class DEBUGGER__::Console
    </h1>

    <section class="description">
    
    </section>

      <section id="5Buntitled-5D" class="documentation-section">


      <section class="constants-list">
      <header>
      <h3>Constants</h3>
      </header>
      <dl>
          <dt id="FH">FH
          <dd>
          <dt id="SIGWINCH_SUPPORTED">SIGWINCH_SUPPORTED
          <dd>
        </dl>
        </section>



                <section id="public-class-5Buntitled-5D-method-details" class="method-section">
                <header>
                <h3>Public Class Methods</h3>
                </header>

                  <div id="method-c-new" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">new</span><span
                                class="method-args">()</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="new-source">
            <pre><span class="ruby-comment"># File debug-1.8.0/lib/debug/console.rb, line 197</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">initialize</span>
  <span class="ruby-ivar">@init_history_lines</span> = <span class="ruby-keyword">nil</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                          </section>

                <section id="public-instance-5Buntitled-5D-method-details" class="method-section">
                <header>
                <h3>Public Instance Methods</h3>
                </header>

                  <div id="method-i-deactivate" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">deactivate</span><span
                                class="method-args">()</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="deactivate-source">
            <pre><span class="ruby-comment"># File debug-1.8.0/lib/debug/console.rb, line 207</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">deactivate</span>
  <span class="ruby-keyword">if</span> <span class="ruby-identifier">history</span> <span class="ruby-operator">&amp;&amp;</span> <span class="ruby-ivar">@init_history_lines</span>
    <span class="ruby-identifier">added_records</span> = <span class="ruby-identifier">history</span>.<span class="ruby-identifier">to_a</span>[<span class="ruby-ivar">@init_history_lines</span> <span class="ruby-operator">..</span> <span class="ruby-value">-1</span>]
    <span class="ruby-identifier">path</span> = <span class="ruby-identifier">history_file</span>
    <span class="ruby-identifier">max</span> = <span class="ruby-constant">CONFIG</span>[<span class="ruby-value">:save_history</span>]

    <span class="ruby-keyword">if</span> <span class="ruby-operator">!</span><span class="ruby-identifier">added_records</span>.<span class="ruby-identifier">empty?</span> <span class="ruby-operator">&amp;&amp;</span> <span class="ruby-operator">!</span><span class="ruby-identifier">path</span>.<span class="ruby-identifier">empty?</span>
      <span class="ruby-identifier">orig_records</span> = <span class="ruby-identifier">read_history_file</span>
      <span class="ruby-identifier">open</span>(<span class="ruby-identifier">history_file</span>, <span class="ruby-string">&#39;w&#39;</span>){<span class="ruby-operator">|</span><span class="ruby-identifier">f</span><span class="ruby-operator">|</span>
        (<span class="ruby-identifier">orig_records</span> <span class="ruby-operator">+</span> <span class="ruby-identifier">added_records</span>).<span class="ruby-identifier">last</span>(<span class="ruby-identifier">max</span>).<span class="ruby-identifier">each</span>{<span class="ruby-operator">|</span><span class="ruby-identifier">line</span><span class="ruby-operator">|</span>
          <span class="ruby-keyword">if</span> <span class="ruby-operator">!</span><span class="ruby-identifier">line</span>.<span class="ruby-identifier">start_with?</span>(<span class="ruby-constant">FH</span>) <span class="ruby-operator">&amp;&amp;</span> <span class="ruby-operator">!</span><span class="ruby-identifier">line</span>.<span class="ruby-identifier">strip</span>.<span class="ruby-identifier">empty?</span>
            <span class="ruby-identifier">f</span>.<span class="ruby-identifier">puts</span> <span class="ruby-identifier">line</span>.<span class="ruby-identifier">strip</span>
          <span class="ruby-keyword">end</span>
        }
      }
    <span class="ruby-keyword">end</span>
  <span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-get_command" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">get_command</span><span
                                class="method-args">(line)</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="get_command-source">
            <pre><span class="ruby-comment"># File debug-1.8.0/lib/debug/console.rb, line 111</span>
        <span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">get_command</span> <span class="ruby-identifier">line</span>
  <span class="ruby-keyword">case</span> <span class="ruby-identifier">line</span>.<span class="ruby-identifier">chomp</span>
  <span class="ruby-keyword">when</span> <span class="ruby-regexp">/\A(\s*[a-z]+)(\s.*)?\z$/</span>
    <span class="ruby-keyword">return</span> <span class="ruby-node">$1</span>.<span class="ruby-identifier">strip</span>, <span class="ruby-node">$2</span>
  <span class="ruby-keyword">else</span>
    <span class="ruby-identifier">line</span>.<span class="ruby-identifier">strip</span>
  <span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-history" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">history</span><span
                                class="method-args">()</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="history-source">
            <pre><span class="ruby-comment"># File debug-1.8.0/lib/debug/console.rb, line 126</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">history</span>
  <span class="ruby-constant">Reline</span><span class="ruby-operator">::</span><span class="ruby-constant">HISTORY</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-history_file" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">history_file</span><span
                                class="method-args">()</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="history_file-source">
            <pre><span class="ruby-comment"># File debug-1.8.0/lib/debug/console.rb, line 176</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">history_file</span>
  <span class="ruby-identifier">history_file</span> = <span class="ruby-constant">CONFIG</span>[<span class="ruby-value">:history_file</span>]

  <span class="ruby-keyword">if</span> <span class="ruby-operator">!</span><span class="ruby-identifier">history_file</span>.<span class="ruby-identifier">empty?</span>
    <span class="ruby-constant">File</span>.<span class="ruby-identifier">expand_path</span>(<span class="ruby-identifier">history_file</span>)
  <span class="ruby-keyword">else</span>
    <span class="ruby-identifier">history_file</span>
  <span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-load_history" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">load_history</span><span
                                class="method-args">()</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="load_history-source">
            <pre><span class="ruby-comment"># File debug-1.8.0/lib/debug/console.rb, line 226</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">load_history</span>
  <span class="ruby-identifier">read_history_file</span>.<span class="ruby-identifier">count</span>{<span class="ruby-operator">|</span><span class="ruby-identifier">line</span><span class="ruby-operator">|</span>
    <span class="ruby-identifier">line</span>.<span class="ruby-identifier">strip!</span>
    <span class="ruby-identifier">history</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-identifier">line</span> <span class="ruby-keyword">unless</span> <span class="ruby-identifier">line</span>.<span class="ruby-identifier">empty?</span>
  }
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-load_history_if_not_loaded" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">load_history_if_not_loaded</span><span
                                class="method-args">()</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="load_history_if_not_loaded-source">
            <pre><span class="ruby-comment"># File debug-1.8.0/lib/debug/console.rb, line 201</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">load_history_if_not_loaded</span>
  <span class="ruby-keyword">return</span> <span class="ruby-keyword">if</span> <span class="ruby-ivar">@init_history_lines</span>

  <span class="ruby-ivar">@init_history_lines</span> = <span class="ruby-identifier">load_history</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-parse_input" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">parse_input</span><span
                                class="method-args">(buff, commands)</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="parse_input-source">
            <pre><span class="ruby-comment"># File debug-1.8.0/lib/debug/console.rb, line 33</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">parse_input</span> <span class="ruby-identifier">buff</span>, <span class="ruby-identifier">commands</span>
  <span class="ruby-identifier">c</span>, <span class="ruby-identifier">rest</span> = <span class="ruby-identifier">get_command</span> <span class="ruby-identifier">buff</span>
  <span class="ruby-keyword">case</span>
  <span class="ruby-keyword">when</span> <span class="ruby-identifier">commands</span>.<span class="ruby-identifier">keys</span>.<span class="ruby-identifier">include?</span>(<span class="ruby-identifier">c</span>)
    <span class="ruby-value">:command</span>
  <span class="ruby-keyword">when</span> <span class="ruby-operator">!</span><span class="ruby-identifier">rest</span> <span class="ruby-operator">&amp;&amp;</span> <span class="ruby-regexp">/\A\s*[a-z]*\z/</span> <span class="ruby-operator">=~</span> <span class="ruby-identifier">c</span>
    <span class="ruby-keyword">nil</span>
  <span class="ruby-keyword">else</span>
    <span class="ruby-value">:ruby</span>
  <span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-read_history_file" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">read_history_file</span><span
                                class="method-args">()</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="read_history_file-source">
            <pre><span class="ruby-comment"># File debug-1.8.0/lib/debug/console.rb, line 188</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">read_history_file</span>
  <span class="ruby-keyword">if</span> <span class="ruby-identifier">history</span> <span class="ruby-operator">&amp;&amp;</span> <span class="ruby-constant">File</span>.<span class="ruby-identifier">exist?</span>(<span class="ruby-identifier">path</span> = <span class="ruby-identifier">history_file</span>)
    <span class="ruby-identifier">f</span> = ([<span class="ruby-string">&#39;&#39;</span>, <span class="ruby-string">&#39;DAI-&#39;</span>, <span class="ruby-string">&#39;CHU-&#39;</span>, <span class="ruby-string">&#39;SHO-&#39;</span>].<span class="ruby-identifier">map</span>{<span class="ruby-operator">|</span><span class="ruby-identifier">e</span><span class="ruby-operator">|</span> <span class="ruby-identifier">e</span><span class="ruby-string">+&#39;KICHI&#39;</span>}<span class="ruby-operator">+</span>[<span class="ruby-string">&#39;KYO&#39;</span>]).<span class="ruby-identifier">sample</span>
    [<span class="ruby-node">&quot;#{FH}#{f}&quot;</span>.<span class="ruby-identifier">dup</span>] <span class="ruby-operator">+</span> <span class="ruby-constant">File</span>.<span class="ruby-identifier">readlines</span>(<span class="ruby-identifier">path</span>)
  <span class="ruby-keyword">else</span>
    []
  <span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-readline" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">readline</span><span
                                class="method-args">(prompt)</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="readline-source">
            <pre><span class="ruby-comment"># File debug-1.8.0/lib/debug/console.rb, line 120</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">readline</span> <span class="ruby-identifier">prompt</span>
  <span class="ruby-identifier">readline_setup</span> <span class="ruby-identifier">prompt</span> <span class="ruby-keyword">do</span>
    <span class="ruby-constant">Reline</span>.<span class="ruby-identifier">readmultiline</span>(<span class="ruby-identifier">prompt</span>, <span class="ruby-keyword">true</span>){ <span class="ruby-keyword">true</span> }
  <span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
                              </div>
                            </div>


                          </div>

                  <div id="method-i-readline_setup" class="method-detail ">
                            <div class="method-heading">
                              <span class="method-name">readline_setup</span><span
                                class="method-args">(prompt) { || ... }</span>
                              <span class="method-click-advice">click to toggle source</span>
                            </div>

                            <div class="method-description">
                              

                              <div class="method-source-code" id="readline_setup-source">
            <pre><span class="ruby-comment"># File debug-1.8.0/lib/debug/console.rb, line 45</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">readline_setup</span> <span class="ruby-identifier">prompt</span>
  <span class="ruby-identifier">load_history_if_not_loaded</span>
  <span class="ruby-identifier">commands</span> = <span class="ruby-constant">DEBUGGER__</span>.<span class="ruby-identifier">commands</span>

  <span class="ruby-identifier">prev_completion_proc</span> = <span class="ruby-constant">Reline</span>.<span class="ruby-identifier">completion_proc</span>
  <span class="ruby-identifier">prev_output_modifier_proc</span> = <span class="ruby-constant">Reline</span>.<span class="ruby-identifier">output_modifier_proc</span>
  <span class="ruby-identifier">prev_prompt_proc</span> = <span class="ruby-constant">Reline</span>.<span class="ruby-identifier">prompt_proc</span>

  <span class="ruby-comment"># prompt state</span>
  <span class="ruby-identifier">state</span> = <span class="ruby-keyword">nil</span> <span class="ruby-comment"># :command, :ruby, nil (unknown)</span>

  <span class="ruby-constant">Reline</span>.<span class="ruby-identifier">prompt_proc</span> = <span class="ruby-operator">-&gt;</span> <span class="ruby-identifier">args</span>, <span class="ruby-operator">*</span><span class="ruby-identifier">kw</span> <span class="ruby-keyword">do</span>
    <span class="ruby-keyword">case</span> <span class="ruby-identifier">state</span> = <span class="ruby-identifier">parse_input</span>(<span class="ruby-identifier">args</span>.<span class="ruby-identifier">first</span>, <span class="ruby-identifier">commands</span>)
    <span class="ruby-keyword">when</span> <span class="ruby-keyword">nil</span>, <span class="ruby-value">:command</span>
      [<span class="ruby-identifier">prompt</span>, <span class="ruby-identifier">prompt</span>]
    <span class="ruby-keyword">when</span> <span class="ruby-value">:ruby</span>
      [<span class="ruby-identifier">prompt</span>.<span class="ruby-identifier">sub</span>(<span class="ruby-string">&#39;rdbg&#39;</span>){<span class="ruby-identifier">colorize</span>(<span class="ruby-string">&#39;ruby&#39;</span>, [<span class="ruby-value">:RED</span>])}] <span class="ruby-operator">*</span> <span class="ruby-value">2</span>
    <span class="ruby-keyword">end</span>
  <span class="ruby-keyword">end</span>

  <span class="ruby-constant">Reline</span>.<span class="ruby-identifier">completion_proc</span> = <span class="ruby-operator">-&gt;</span> <span class="ruby-identifier">given</span> <span class="ruby-keyword">do</span>
    <span class="ruby-identifier">buff</span> = <span class="ruby-constant">Reline</span>.<span class="ruby-identifier">line_buffer</span>
    <span class="ruby-constant">Reline</span>.<span class="ruby-identifier">completion_append_character</span>= <span class="ruby-string">&#39; &#39;</span>

    <span class="ruby-keyword">if</span> <span class="ruby-regexp">/\s/</span> <span class="ruby-operator">=~</span> <span class="ruby-identifier">buff</span> <span class="ruby-comment"># second parameters</span>
      <span class="ruby-identifier">given</span> = <span class="ruby-constant">File</span>.<span class="ruby-identifier">expand_path</span>(<span class="ruby-identifier">given</span> <span class="ruby-operator">+</span> <span class="ruby-string">&#39;a&#39;</span>).<span class="ruby-identifier">sub</span>(<span class="ruby-regexp">/a\z/</span>, <span class="ruby-string">&#39;&#39;</span>)
      <span class="ruby-identifier">files</span> = <span class="ruby-constant">Dir</span>.<span class="ruby-identifier">glob</span>(<span class="ruby-identifier">given</span> <span class="ruby-operator">+</span> <span class="ruby-string">&#39;*&#39;</span>)
      <span class="ruby-keyword">if</span> <span class="ruby-identifier">files</span>.<span class="ruby-identifier">size</span> <span class="ruby-operator">==</span> <span class="ruby-value">1</span> <span class="ruby-operator">&amp;&amp;</span> <span class="ruby-constant">File</span>.<span class="ruby-identifier">directory?</span>(<span class="ruby-identifier">files</span>.<span class="ruby-identifier">first</span>)
        <span class="ruby-constant">Reline</span>.<span class="ruby-identifier">completion_append_character</span>= <span class="ruby-string">&#39;/&#39;</span>
      <span class="ruby-keyword">end</span>
      <span class="ruby-identifier">files</span>
    <span class="ruby-keyword">else</span>
      <span class="ruby-identifier">commands</span>.<span class="ruby-identifier">keys</span>.<span class="ruby-identifier">grep</span>(<span class="ruby-regexp">/\A#{Regexp.escape(given)}/</span>)
    <span class="ruby-keyword">end</span>
  <span class="ruby-keyword">end</span>

  <span class="ruby-constant">Reline</span>.<span class="ruby-identifier">output_modifier_proc</span> = <span class="ruby-operator">-&gt;</span> <span class="ruby-identifier">buff</span>, <span class="ruby-operator">**</span><span class="ruby-identifier">kw</span> <span class="ruby-keyword">do</span>
    <span class="ruby-identifier">c</span>, <span class="ruby-identifier">rest</span> = <span class="ruby-identifier">get_command</span> <span class="ruby-identifier">buff</span>

    <span class="ruby-keyword">case</span> <span class="ruby-identifier">state</span>
    <span class="ruby-keyword">when</span> <span class="ruby-value">:command</span>
      <span class="ruby-identifier">cmd</span> = <span class="ruby-identifier">colorize</span>(<span class="ruby-identifier">c</span>, [<span class="ruby-value">:CYAN</span>, <span class="ruby-value">:UNDERLINE</span>])

      <span class="ruby-keyword">if</span> <span class="ruby-identifier">commands</span>[<span class="ruby-identifier">c</span>] <span class="ruby-operator">==</span> <span class="ruby-identifier">c</span>
        <span class="ruby-identifier">rprompt</span> = <span class="ruby-identifier">colorize</span>(<span class="ruby-string">&quot;    # command&quot;</span>, [<span class="ruby-value">:DIM</span>])
      <span class="ruby-keyword">else</span>
        <span class="ruby-identifier">rprompt</span> = <span class="ruby-identifier">colorize</span>(<span class="ruby-node">&quot;    # #{commands[c]} command&quot;</span>, [<span class="ruby-value">:DIM</span>])
      <span class="ruby-keyword">end</span>

      <span class="ruby-identifier">rest</span> = <span class="ruby-identifier">rest</span> <span class="ruby-operator">?</span> <span class="ruby-identifier">colorize_code</span>(<span class="ruby-identifier">rest</span>) <span class="ruby-operator">:</span> <span class="ruby-string">&#39;&#39;</span>
      <span class="ruby-identifier">cmd</span> <span class="ruby-operator">+</span> <span class="ruby-identifier">rest</span> <span class="ruby-operator">+</span> <span class="ruby-identifier">rprompt</span>
    <span class="ruby-keyword">when</span> <span class="ruby-keyword">nil</span>
      <span class="ruby-identifier">buff</span>
    <span class="ruby-keyword">when</span> <span class="ruby-value">:ruby</span>
      <span class="ruby-identifier">colorize_code</span>(<span class="ruby-identifier">buff</span>.<span class="ruby-identifier">chomp</span>)
    <span class="ruby-keyword">end</span>
  <span class="ruby-keyword">end</span> <span class="ruby-keyword">unless</span> <span class="ruby-constant">CONFIG</span>[<span class="ruby-value">:no_hint</span>]

  <span class="ruby-keyword">yield</span>

<span class="ruby-keyword">ensure</span>
  <span class="ruby-constant">Reline</span>.<span class="ruby-identifier">completion_proc</span> = <span class="ruby-identifier">prev_completion_proc</span>
  <span class="ruby-constant">Reline</span>.<span class="ruby-identifier">output_modifier_proc</span> = <span class="ruby-identifier">prev_output_modifier_proc</span>
  <span class="ruby-constant">Reline</span>.<span class="ruby-identifier">prompt_proc</span> = <span class="ruby-identifier">prev_prompt_proc</span>
<span class="ruby-keyword">end</span></pre>
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